v3.25.3
Expense Example, No Redemption
Nov. 26, 2025
USD ($)
Calamos Bitcoin Structured Alt Protection ETF - January | Calamos Bitcoin Structured Alt Protection ETF - January  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year $ 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years 859
Calamos Bitcoin Structured Alt Protection ETF - April | Calamos Bitcoin Structured Alt Protection ETF - April  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years 859
Calamos Bitcoin Structured Alt Protection ETF - July | Calamos Bitcoin Structured Alt Protection ETF - July  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years 859
Calamos Bitcoin Structured Alt Protection ETF - October | Calamos Bitcoin Structured Alt Protection ETF - October  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years 859
Calamos Bitcoin 90 Series Structured Alt Protection ETF - January | Calamos Bitcoin 90 Series Structured Alt Protection ETF - January  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years 859
Calamos Bitcoin 90 Series Structured Alt Protection ETF - April | Calamos Bitcoin 90 Series Structured Alt Protection ETF - April  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years 859
Calamos Bitcoin 90 Series Structured Alt Protection ETF - July | Calamos Bitcoin 90 Series Structured Alt Protection ETF - July  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years 859
Calamos Bitcoin 90 Series Structured Alt Protection ETF - October | Calamos Bitcoin 90 Series Structured Alt Protection ETF - October  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years 859
Calamos Bitcoin 80 Series Structured Alt Protection ETF - January | Calamos Bitcoin 80 Series Structured Alt Protection ETF - January  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years 859
Calamos Bitcoin 80 Series Structured Alt Protection ETF - April | Calamos Bitcoin 80 Series Structured Alt Protection ETF - April  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years 859
Calamos Bitcoin 80 Series Structured Alt Protection ETF - July | Calamos Bitcoin 80 Series Structured Alt Protection ETF - July  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years 859
Calamos Bitcoin 80 Series Structured Alt Protection ETF - October | Calamos Bitcoin 80 Series Structured Alt Protection ETF - October  
Prospectus [Line Items]  
Expense Example, No Redemption, 1 Year 70
Expense Example, No Redemption, 3 Years 221
Expense Example, No Redemption, 5 Years 384
Expense Example, No Redemption, 10 Years $ 859